02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:33:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:33:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:33:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:14:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:15:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:16:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:17:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:18:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:19:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:20:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:21:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:22:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:23:34 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:24:37 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:25:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:26:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:27:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:28:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:29:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:30:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:31:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:32:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:33:32 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:34:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:06 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:35:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:09 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:36:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:12 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:37:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:38:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:39:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:40:52 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:41:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:42:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:43:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:01 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:44:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:04 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:45:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:46:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:47:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:48:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:49:49 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:50:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:51:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:52:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:53:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:54:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:55:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:56:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:57:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:58:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 08:59:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:19 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:00:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:22 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:01:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:02:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:27 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:03:59 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:04:30 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:02 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:05:33 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:05 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:06:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:08 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:07:40 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:11 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:08:43 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:14 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:09:46 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:17 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:10:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:11:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:25 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:12:56 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:13:28 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:14:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:15:36 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:16:39 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:17:42 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:18:45 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:19:48 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:20 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:20:51 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:23 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:21:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:22:57 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:23:29 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:00 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:24:31 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:03 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:25:35 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:07 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:26:38 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:10 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:27:41 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:13 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:28:44 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:16 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:29:47 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:18 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:30:50 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:21 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:31:53 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:24 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:32:55 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:33:26 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:33:58 AM UTC [ERROR] urllib3.exceptions.ResponseError: too many 502 error responses

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 942, in urlopen
    return self.urlopen(
           ^^^^^^^^^^^^^
  [Previous line repeated 2 more times]
  File "/usr/local/lib/python3.12/site-packages/urllib3/connectionpool.py", line 932, in urlopen
    retries = retries.increment(method, url, response=response, _pool=self)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/urllib3/util/retry.py", line 519, in increment
    raise MaxRetryError(_pool, url, reason) from reason  # type: ignore[arg-type]
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kernelci/pipeline/src/base.py", line 71, in run
    context = self._setup(args)
              ^^^^^^^^^^^^^^^^^
  File "/home/kernelci/pipeline/./src/job_retry.py", line 21, in _setup
    return self._api_helper.subscribe_filters({
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/helper.py", line 69, in subscribe_filters
    sub_id = self.api.subscribe(channel, promiscuous)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/latest.py", line 157, in subscribe
    resp = self._post(f'subscribe/{channel}', params=params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/kernelci/api/__init__.py", line 134, in _post
    resp = session.post(
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 668, in send
    raise RetryError(e, request=request)
requests.exceptions.RetryError: HTTPSConnectionPool(host='staging.kernelci.org', port=9000): Max retries exceeded with url: /latest/subscribe/node (Caused by ResponseError('too many 502 error responses'))

02/06/2026 09:34:23 AM UTC [INFO] Stopping.